:root {
  color-scheme: light;
  --bg: #f6f3e8;
  --ink: #1d2a22;
  --muted: #667266;
  --panel: #fffaf0;
  --line: #d7d0b8;
  --field-a: #7eb66d;
  --field-b: #6daa5d;
  --accent: #d9822b;
  --accent-dark: #9f4e18;
  --blue: #3578a8;
  --danger: #aa3a30;
  --shadow: 0 18px 45px rgba(37, 45, 30, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0)),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button {
  font: inherit;
}

.app-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0;
}

.game-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(92px, 1fr));
  gap: 10px;
  min-width: min(640px, 100%);
}

.stat {
  min-height: 64px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.85);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.stat strong {
  display: block;
  margin-top: 4px;
  font-size: 1.25rem;
}

.play-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.tool-panel {
  display: none;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.plant-card {
  display: grid;
  grid-template-columns: 32px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  min-height: 52px;
  padding: 6px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  cursor: grab;
  text-align: left;
  touch-action: none;
  user-select: none;
}

.selection-screen {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.selection-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.selection-head h2 {
  margin: 0;
  font-size: 1.35rem;
}

.selection-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.selection-head .selection-tools {
  color: #48624e;
  font-size: 0.9rem;
  font-weight: 700;
}

.selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.selection-grid .plant-card {
  min-height: 72px;
  cursor: pointer;
}

.selection-grid .plant-card.is-in-loadout {
  border-color: var(--blue);
  background: #e6f5fb;
}

.selection-grid .plant-card.is-locked {
  opacity: 0.45;
}

body.is-battling .selection-screen {
  display: none;
}

body.is-selecting .play-layout {
  display: none;
}

.battle-panel {
  display: grid;
  gap: 8px;
}

.battle-panel:fullscreen {
  width: 100vw;
  height: 100vh;
  padding: 12px;
  overflow: auto;
  background: var(--bg);
}

.battle-panel:fullscreen .board-wrap {
  max-height: calc(100vh - 116px);
}

.battle-panel:fullscreen #game-canvas {
  width: min(100%, calc((100vh - 116px) * 1.6875));
  margin: 0 auto;
}

.battle-topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: stretch;
}

.battle-card-row {
  display: grid;
  grid-template-columns: repeat(9, minmax(88px, 1fr));
  gap: 6px;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.battle-card-row .plant-card {
  min-height: 56px;
}

.plant-card:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible {
  outline: 3px solid rgba(53, 120, 168, 0.45);
  outline-offset: 2px;
}

.plant-card.is-selected {
  border-color: var(--accent);
  background: #fff4d8;
}

.plant-card.is-dragging {
  opacity: 0.55;
  cursor: grabbing;
}

.plant-card.is-cooling {
  opacity: 0.48;
}

.plant-drag-ghost {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  width: 82px;
  height: 82px;
  min-height: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 250, 240, 0.78);
  pointer-events: none;
  box-shadow: 0 18px 34px rgba(29, 42, 34, 0.24);
  opacity: 0.94;
}

.plant-drag-ghost img {
  display: block;
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.is-plant-dragging,
.is-plant-dragging * {
  cursor: grabbing;
}

.plant-icon {
  grid-row: 1 / 3;
  display: block;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.14);
}

.shooter-icon {
  background: radial-gradient(circle at 62% 45%, #c8f292 0 20%, #3d8e45 21% 100%);
}

.sunbloom-icon {
  background: radial-gradient(circle at 50% 50%, #ffd75b 0 30%, #dd8a23 31% 52%, #3f9a52 53% 100%);
}

.sunshroom-icon {
  background: radial-gradient(circle at 50% 35%, #ffe28a 0 24%, #a66cc9 25% 62%, #503260 63% 100%);
}

.lantern-icon {
  background: radial-gradient(circle at 50% 42%, #fff6a6 0 22%, #f0a43d 23% 48%, #477543 49% 100%);
}

.clover-icon {
  background:
    radial-gradient(circle at 35% 35%, #69c46f 0 22%, transparent 23%),
    radial-gradient(circle at 65% 35%, #69c46f 0 22%, transparent 23%),
    radial-gradient(circle at 50% 62%, #69c46f 0 22%, #2e7d46 23% 100%);
}

.hypnoshroom-icon {
  background: radial-gradient(circle at 50% 34%, #f0a6ff 0 24%, #7b46ad 25% 62%, #39234f 63% 100%);
}

.shovel-icon {
  background:
    linear-gradient(45deg, transparent 0 42%, #885d37 43% 57%, transparent 58% 100%),
    radial-gradient(ellipse at 35% 70%, #aeb7bf 0 28%, transparent 29%);
}

.sunshovel-icon {
  background:
    linear-gradient(45deg, transparent 0 42%, #8a5d2d 43% 57%, transparent 58% 100%),
    radial-gradient(circle at 70% 28%, #ffd247 0 22%, transparent 23%),
    radial-gradient(ellipse at 35% 70%, #c7b27a 0 28%, transparent 29%);
}

.twin-icon {
  background:
    radial-gradient(circle at 35% 43%, #d7f7a9 0 18%, transparent 19%),
    radial-gradient(circle at 65% 43%, #d7f7a9 0 18%, transparent 19%),
    radial-gradient(circle at 50% 50%, #3d8e45 0 100%);
}

.split-icon {
  background:
    radial-gradient(circle at 25% 48%, #d9f8a9 0 16%, transparent 17%),
    radial-gradient(circle at 75% 48%, #d9f8a9 0 16%, transparent 17%),
    radial-gradient(circle at 50% 50%, #427f53 0 100%);
}

.chomper-icon {
  background:
    radial-gradient(ellipse at 58% 46%, #f6d7ef 0 18%, transparent 19%),
    radial-gradient(ellipse at 50% 42%, #8b3d91 0 48%, #4d8f45 49% 100%);
}

.corn-icon {
  background: radial-gradient(ellipse at 52% 44%, #f4d23d 0 38%, #4a9a4b 39% 100%);
}

.cabbage-icon {
  background: radial-gradient(circle at 52% 45%, #b7e06b 0 18%, #66ac55 19% 42%, #347848 43% 100%);
}

.melon-icon {
  background: radial-gradient(circle at 50% 50%, #ed5574 0 26%, #265f39 27% 100%);
}

.icemelon-icon {
  background:
    radial-gradient(circle at 50% 50%, #c9f8ff 0 24%, #52a6c4 25% 48%, #255d72 49% 100%);
}

.corncannon-icon {
  background:
    linear-gradient(90deg, transparent 0 18%, #7b5a2b 19% 100%),
    radial-gradient(circle at 22% 50%, #f4d23d 0 26%, #4a9a4b 27% 100%);
}

.wall-icon {
  background: radial-gradient(circle at 50% 40%, #f4bf71 0 28%, #9d6837 29% 100%);
}

.frost-icon {
  background: radial-gradient(circle at 58% 42%, #d7fbff 0 20%, #58a5c4 21% 100%);
}

.splash-icon {
  background: radial-gradient(circle at 48% 42%, #ffd6dd 0 24%, #b83c64 25% 100%);
}

.spike-icon {
  background:
    conic-gradient(from 0deg, #4c7a38, #d1ef8a, #4c7a38, #d1ef8a, #4c7a38);
}

.lilypad-icon {
  background:
    radial-gradient(circle at 62% 35%, #d8f29a 0 14%, transparent 15%),
    radial-gradient(circle at 50% 52%, #62a95f 0 52%, #2f7b46 53% 100%);
}

.kelp-icon {
  background:
    conic-gradient(from 20deg, #256c5f, #5ab388, #256c5f, #5ab388, #256c5f);
}

.pot-icon {
  background:
    radial-gradient(ellipse at 50% 25%, #f0b36f 0 34%, transparent 35%),
    linear-gradient(180deg, #b46139 0 58%, #77402b 59% 100%);
}

.plant-name {
  overflow: hidden;
  font-weight: 800;
  font-size: 0.82rem;
  line-height: 1.15;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.plant-meta {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.15;
}

.controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(82px, 1fr));
  gap: 6px;
  min-width: 172px;
}

.primary-button,
.secondary-button {
  min-height: 44px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.primary-button {
  border: 0;
  background: var(--accent);
  color: #fff;
}

.secondary-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.sound-button {
  font-size: 0.88rem;
}

.board-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid #566947;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--field-a), var(--field-b));
  box-shadow: var(--shadow);
}

#game-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1080 / 640;
  touch-action: none;
}

.message-overlay {
  position: absolute;
  inset: auto 20px 20px auto;
  display: grid;
  gap: 4px;
  max-width: min(340px, calc(100% - 40px));
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  background: rgba(29, 42, 34, 0.9);
  color: #fff;
}

.message-overlay strong {
  font-size: 1.05rem;
}

.message-overlay span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
}

.message-overlay.is-hidden {
  display: none;
}

@media (max-width: 820px) {
  .app-shell {
    width: min(100vw - 20px, 720px);
    padding: 12px 0;
  }

  .game-header,
  .play-layout,
  .battle-topbar {
    display: grid;
  }

  .stats-bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-width: 0;
  }

  .play-layout {
    grid-template-columns: 1fr;
  }

  .battle-topbar {
    grid-template-columns: 1fr;
  }

  .battle-card-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .controls {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, 1fr);
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .plant-card {
    min-height: 58px;
  }

  .selection-head {
    display: grid;
  }
}
.level-select {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.level-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.level-button.is-selected {
  border-color: var(--blue);
  background: #dff1fb;
  color: #174a68;
}

.level-button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}